Vehicle bumper



FIG. 1 is a perspective view of a vehicle bumper showing our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a side elevational view thereof, the opposite side elevational view being a mirror image; and,

FIG. 4 is a bottom plan view thereof. 

The ornamental design for a vehicle bumper, as shown and described. 